Until you know your primary purpose for writing, you cannot know what information to leave in or leave out or even how to best organize a document must have one primary purpose.
People write documents for countless reasons:
1. Record: Keep a record of events or information
2. Reflect/Explore: Write in a journal, attempt to make sense of something or to shape a new idea.
3. Inform: Objectively report an event.
4. Demonstrate Knowledge: Prove, in school, that you've learned course content.
5. Summarize: Report someone else's words, theories and research in your own words.
6. Explain: Help readers understand a difficult concept, theory or event
7. Analyze: Break down a problem into parts.
8. Persuade: Change minds, invoke action
9. Theorize: Speculate on possible causes and effects.
10. Entertain: Bring joy, amazement, and thrills.
We may not be able to understand each other and we will never know such.
Because Professional writing is all about understanding and knowing something new so if writing doesn't existing we may be able to misunderstood such things.
Be mindful that academic and professional written works are intended for a scholarly audience. If a writer's work does not have a sensible purpose, the audience would lose their interest and confidence in the written work and in the writer as well.